Improvement in sewing-machine



28h t-Sh H. J. BOND, Jn 68 Sewing Machine. No 93,588. Patented Aug. 10.1869.

. In yea/Zr N. PETERS. PMlbLilhognpher. Washinglm n c.

. 2 Sheets-Sheet 2. J. BOND, Jr.

Sewing Machine.

Patented Auga 10.1869.

W L X amit' (tibiae.

' JOSEPH BOND, JR, OF NEWARK, NElV JERSEY.

' Letters Patent N .93,588, dated August 10, 1869.

IMPROVEMENT IN SEWING-MACHINE.

The Schedule referred to in these Letters Patent and making part of thesame.

To all whom it may concern: Be it known that I, JOSEPH BOND, J r. ofNewark, New Jersey, have invented certain Improvements inSewing-llIachines; and I do hereby declare the following to be a full,clear, and exact description of the same. My invention consists- First,in the combination, with a rotating book, of a spool-ease, constructedsubstantially as described hereafter, retained by a stationary holder,au'd'having such a motion imparted to it that it will be separated fromcontact with the holder whenever the loop of thread, carried, by theaction of the revolving hook, round the spool-case, passes betweenthe-latter and the holder, the imparting of undue friction to the threadbeing thereby obviated.

Secondly, of a roller, or its equivalent, for imparting thewithin-described peculiarmovenient to the. spook case.

Thirdly, of a rib on the spool-case, so'adaptcd to the said roller thatthe latter serves tomaintain the spoolcase in its place.

Fourthly, of a revolving hook, constructed in the peculiar manner fullydescribed hereafter, for seizing the loop with certainty, and carryingit round the spool-case.

Fifthly, of peculiar machinery, described hereafter, for imparting avibrating motion to the needle-arm from the driving-shaft.

Sixthly, of certain devices, fully described hereafter, for facilitating.theremoval and accurate replacing of the presserfoot.

Seventhly, of devices fully described hereafter, for facilitating theattachment of the needle to, and its removal from the needleearm.

- Eighth] y, of a box forming a part ofthc frame of the machine,surrounding and enclosing the working-parts beneath the work-plate, andhaving at one side a hinged portion, so thatready access may be had tothe 'said working-parts, while they are effectually protected from dust.

In order to enable others skilled in the art to make and use myinvention, I will now proceed to describe its construction andoperation, reference being had to the accompanying drawing, which formsa part of this specification, and in which- Figure 1, Sheet No. 1, is asectional elevation of my improved sewing-machine;

. Figures 2 to 11, inclusive, views (drawn to an enlarged scale) of thespool-case, spool-case holder, and

revolving hooks, showing the manner in which the stitch is formed;

Figure 12, a diagram, illustrating part of my inveno Figure 13, SheetNo. 2, a section on the line 1-2, fig. 6;

Figure 14, an inverted plan. -view-of part of the work-plate Figure 15,a sectional plan view of the machine; Figure 16, a transverse sectionalelevation on the Figures 17 and 18, detached scctionalriews of parts ofthe machine, drawn to an enlarged scale;

Figure 19, a section on the line 5-6, fig. 17 and Figure 20, an invertedsectional plan view of fig. 18. A is the frame of thoinachine, the frontpart of which is enlarged, so as to form an oblong box or case, A, andto the top of the latter is secured the workplate B. Y

To an opening in the front of the box A is fitted a door, 13', which maybe turned down to the position shown in dotted lines, fig. 1, when theinterior of the box has to be exposed, andaccess has to be had co-themechanism within the box.

From the rear end of the frame projects the stationary arm 0, fig. 16,in the front end ofwhich slides a vertical rod, 0, having at the lowerend a triangular projection, j, (see figs. 18 and 20,) two sides ofwhich are inclined, and are adapted to the inclined sides of atriangular recess, g, in a prcsser-fiwt, 1), the said recess being ofsuch a size that the projection fcan be introduced readily into'it.

Through the presser-foot passes a set-screw, f, the end of which bearsagainst the straight side of the projection f, and confines the footthereto.

1n projections a and a, at the rear end of the frame, are. set-screwsof, forming bearings for the vibrating needle-arm E. 4

Through the front end of 'this needle-arm passes-a vertical rod, F,which is somewhat smaller than the hole through which it passes, andhas, at the. lower end, a conical enlargement, 0, adapted to a conicalseat in the arm, and in one side of this enlargement a is a recess, I),into which projects a plate, (3, secured to the arm. On to. the upperend of the rod F screws a nut, b, and in the enlargement a is aninclined hole, 0, .whichcoincides with a similar hole, a, in the arm.

The shank of a needle, G, which is introduced into the recess 7),between the plate 0 and the rod F, is see iredljn this position byturning the nut 71, .so as to elevate the rod, and cause its conical endto jam the stem of thenecdle against the plate 0.

In suitable bearings within the frame A, turns the horizontaldriving-shaft H, the front end of which projects into the box'A, andnear the rear end of this shaft is an eccentric, h, embraced by a strap,71., to

which is jointed a rod, j, fig. 1, the latter fitting snugly, 7 but soas to slide to and fro freely in a longitudinal opcning,j', in aprojecting portion of the needle-arm E.

To a rock-frame, I, within the box A, is jointed a. feeding-frame, J,-whielr has a serrated projection, It,

and bears on a cam, K, figs. 15 and 16, secured to the driving-shaft H;and at one side of the feed-frame is an adjustable plate, J, which bearsagainst a cam, K, on the shaft H, and is controlled by a screw-rod, L,the knob or handle of which is on the outside of the box A, and in aconvenient position to he handled by the operator.

A spring, 1', secured to the box and to the feed-flame, maintains theplate J in contact with the cam K.

To the front end of the shaft H is secured the cup shaped loop-carrierM, at the edge of which are two hooks an a, fig,=S, the former havingtwo shoulders at x.

The hook in is curved between the shoulders, and is bent inward, so thatits end is nearest the centre of the carrier; and at the inner edge ofthe hook is a notch, :6 fig. 3.

The end of the hook n is curved, as shown in the drawing, and onc sideof the carrier, between the two hooks, may bc cutaway, while the edge ofthe opposite side is carved, from the hook it to a curved slot oropening, 5, adjacent to the hook m, figs. 3 and 8.

Uonccntric with the carrier M, and in front of the same, is an annularstationary platc,1\", severed atone point, as seen in fig. 9, and in theinner edge of this 'plate is a recess, '1', containing felt, or othersuitable packing, the said inner edge of the plate being made hollow,for the reception of an annular rounded rib, 0, on the edge of a ring,4, which forms part of a spoolusc, l, fig. 13, the back and iiont plates3-3 of the latter being bulged, so as to form a chamber for thereception of an ordinary spool, If, fig. 10, containing the lower threadn.

The back of the case is secured permanently to the. ring 4, but thefront is secured, at two points 5 5, to a detachable ring, 2, which fitswithin the ring 4, as shown in fig. 13, and in the opposite edges ofwhich are re-,

ccsscs for the reception oftho journals ofa spindle, Y, passing throughthe spool U, fig. 11, the latter being confined between a conical head,7, and a conical nut, S, on the said spindle. (Sec fig. 11.)

In the front plate 51 is a vertical slot, 9, for the passage of abutton, the shank of which turns in the backplate 3'; and at the outerend of this button is an culargcment, which, when turned at right anglesto the slot 9, secures the plate in its place by hearing against thesame at the opposite sides of the slot.

Near the upper edge of the plate 3 is an opening, 1:, above which issecnrcd a spring-plate, p.

On the edge of the ring 4, parallel to the rib 0, is a larger rib, 0,against which bears a grooved roller, q, turning in the hook or; and inthe rib 0 is a recess, 1', for the reception of a. projection, r, on theannular plate N, which projection prevents the case from turning in theholder. v

The two ribs 0 0 meet at a point in the edge of the spool-case, forminga sharp-edged projection, o", figs. 5 and h, for a purpose dcscribodhereafter.

The annular plate N is so adjusted that the hooks m n, in theirrevolution, shall traverse near the edge ofthe spool-case, and atthcrear ofthc spool-case holder, but not in contact therewith, the needleG, when it descends, passing into an opening in the upper edge of thecase, in front ofthe path of the hook m. (See ti". 3.)

In a projection at the under side of the work-plate slides a bar, q,figs. 1 and 14, the end of which, when it is at the limit of its inwardmotion, is adjacent to the path ofthc. nccdle G, the opposite end of thebar projecting outward so far that it can be operated from the outsideof the box A.

The upper thread tis conducted from the spool to the front end of thearm 11,is passed through the openings c 0, ii 17, and through the eye ofthe needle G.

The under threadn .is passed from the spool U within the case M, throughthe hole 1) in the front of the case, and beneath the spring 1) the barq, fig. 14, is drawn outwa d, the fabric is placed upon the workplate,and the parts of the machine are adjusted to the positions shown in ti".1, when the operation will be of the loop catching in the notch a",behind the hook m, and against the shoulder x.

As the loop is drawn by the hook across the edge of the spoo1-casc, itwill be distended by the projection 0 one portion passing across theback, and. the other across the front side of the spool-case, until itreaches the position shown in fig. 5, when the fabric will be carriedthe length of one stitch in the direction of its arrow, by theabove-described feed-mechanism, and the needle will penetrate the cloth.

Prior to the needle entering the opening in the spoolcase, however, thehook it will catch that portion of the loop which extends across theback of the spool-case, figs. 5 and (i, and will carry it to theposition shown in fig. 7. During this movement, the loop, owing to thecurvature ofthe hook in, will slide on the latter from the shoulder x tothe shoulder at, the latter preventing the loop from slipping entirelyfrom the hook. (Fig. 5.)

the loop-carrier continues its revolution, and the hook at againapproaches the needle, the loop will be gradually rolled (not drawn) offthis hook by the action of the hook n, and by that of the needle, as indescendin it draws the loop upward toward the fabric, until, on reachingthe position shown in fi 8, the loop will pass entirely otf the hook m,and then ed the hook 12, when it occupics aposition at the back of thespoolcase, extending through the opening 2, and will afterward, as theneedle continues its descent, be drawn through the opening .7, close tothe under side of the fabric, drawing with it a portion of the thread a,with which it has thus been interlocked.

The needle then begins to ascend, another loop is formed at the rearside of the same, and this loop is caught by the hook in and carried bythe latter round the spool-case, and interlocked with the thread 1!, asbefore.

As the carrier revolves, the roller g, which is adjacent to that portionof the book an round which the loop passes, and by which it is held,will continually bear against the spool-case, and will force the latterawayti'om contactwith the adjacent edge of the plate N, so that thethread can pass freely and without any friction bctwccn the case and theplate, while the opposite edge of the spool-case is brought to bearfirmly against the opposite edge of the plate, the spool-case and theplate N lu-ing thus always separated at that point where the thread isbeing carried between them, or, in other words, the roller maintains anopen unobstructed channel, or crescent-shaped space for the thread,which channel or space travels always with the loop, and closes afterthe same. (Fig. 12.)

The roller is grooved, and adapted to the rib 0, so that in addition tomaintaining this open channel, the roller keepsthc spool-case in itsproper lateral position, and maintains the rib 0 central with the recess1', so that it cannot bear against either edge of this recess, and closethe opening through which the loop of thread passes.

By pushing inward the bar q, the end of the latter will be brought inthe way of the loop, whioh will be retained ,in such a position that theneedle, on its downward movement, will pass through this loop, while theneedle-thread belowthis loop (now round the needle,) is caught by thebook, a stitch somewhat similar to achain-stitclnbut consisting of twothreads, being thus produced. 7

By breaking cit the under thread within the spoolcase, and bymaintaining the parts in the position just described, an ordinarychain-stitch will be produced.

' Among other advantages possessed by the abovedescribed machine, may beenumerated the following:

The loop, owing to the peculiar movement imparted to the spool-case, ispassed round the latter, and between it and the holder, with little orno friction on the loop, so that the latter shall invariably pass toboth sides of the spool-case.

Owing to the peculiar construction of the hooks in n, the loop must passfreely from the same at the proper time.

The spool-case is so constructed that an ordinary spool of thread can bereadily introduced and withdrawn,

The rattling of the spool-ease is efieetnally prevented by thefeltcontained within the recess in the holder.

The required vibrating motion is imparted from the driving-shaft to theneedle-arm, with little friction or strain on the connecting-ilevices.

The extent of the feed may be readily regulated, without detaching anyportion of the machine, by turning the rod L so as to adjust the plate Jon the feedfralne.

The character of the stiteh may be changed without stopping the machine,or attaching or detaching any of the parts, and without using anysupplementary devlces.

'The presser-tbot may be adjusted accurately to its place after removal.I

The needle, by turning the nut b, may be readily secured in its properposition to the needle-arm, and may be quickly detached.

Ready access may be had to the spool-ease, and the surroimding parts, byopening the door B.

I claim as my invention, and desire 136 secure by Letters Patent- 1. Aspool-case, constructed substantially as described, and retained by, andhaving the within-dc scribed motion imparted to it, in a stationaryspool by maintaining between the latte and the spool-case holder anunobstriwtcd opening for the free passage of the thread.

3. The rib e, on the spool-case, adapted to the groove in the peripheryof the roller q, as and. for the purpose herein set forth.

4. The hook at, in its shoulders a" and :c", and notch :0 the wholebeing constructed and arranged for operating on the loop, substantiallyas described. 7

5. The eccentric on the shaft H. the strap h, and rod j, arranged toslide in the saidneedlcarm, all combined and operating substantially asset forth.

6. The foot I), with its slot and setscrew, in combination with .thepresser-bar O, and its dovetailed triangular projection ffitted .looselyto the slet,as and for the purpose described.

7. The combination of the recessed conical end of the bolt 1*, and theplate 0, adapted to the end of the needle-arm E, and arranged forthereception and remo al of the needle, substantially as set forth.

' 8. The box forming a pint of the frame of the machine, cnclosin gtheworking-parts below the work-plate, and having at one side a hingedportion, B, as set forth.

In testimony whereof, I have signed my name to this specification, inthe presence of two subscribing witnesses. v

JOSEPH BOND, JR.

\Vitnesses:

' H. HOWSON,

\ V R. DELANY.

